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Koyo K45X50X20F — catalogue photograph of the needle roller bearing family

Koyo K45X50X20F needle roller and cage assembly

Koyo K45X50X20F needle roller and cage assembly: roller bore diameter Fw 45 mm, width 20 mm, basic dynamic load rating Cr 27.0 kN.

Needle roller and cage assemblies · All Koyo part numbers

Figure © Koyo, clipped unaltered from Koyo Ball & Roller Bearings catalog B2001E-6 — Standard Bearings section (B2001E-6b). It illustrates the product family printed there, which may include other sizes. Removed on request.

Koyo K45X50X20F — catalogue photograph of the needle roller bearing familyKoyo K45X50X20F — catalogue drawing of the needle roller bearing family
Koyo K45X50X20F: roller bore diameter Fw 45 mm, roller outside diameter Ew 50 mm, width Bc 20 mm, drawn to scaleFw 45 mmEw 50 mmBc 20 mm
Drawing: BearingLookup, to the printed roller bore diameter Fw, roller outside diameter Ew and width Bc cited in the specifications below; internal detail is illustrative.

Specifications

Roller bore diameter Fw45 mm
Width20 mm
Basic dynamic load rating Cr27.0 kN
Shaft diameter45 mm
Roller outside diameter Ew50 mm
Basic static load rating C0r57.4 kN
Limiting speed, grease lubrication6100 min-1
Limiting speed, oil lubrication9400 min-1
Mass0.040 kg
Product typeRadial needle roller and cage assemblies, metric series

All specifications: Verified printed in Koyo’s own catalogue

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